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Port GP1(05h) command to GL renderer

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This commit is contained in:
ggdrt 2020-02-23 22:50:32 -08:00
parent 807bc732d9
commit 7d235b9262
3 changed files with 78 additions and 4 deletions
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3
rsx/rsx_intf.cpp
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@ -427,6 +427,9 @@ void rsx_intf_set_vram_framebuffer_coords(uint32_t xstart, uint32_t ystart)
case RSX_SOFTWARE:
break;
case RSX_OPENGL:
#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES)
rsx_gl_set_vram_framebuffer_coords(xstart, ystart);
#endif
break;
case RSX_VULKAN:
#if defined(HAVE_VULKAN)

77
rsx/rsx_lib_gl.cpp
View File

@ -2381,6 +2381,57 @@ void rsx_gl_prepare_frame(void)
glBindTexture(GL_TEXTURE_2D, renderer->fb_texture.id);
}
static void compute_vram_framebuffer_dimensions(GlRenderer *renderer)
{
/* Compute native PSX framebuffer dimensions for current frame
and store results in renderer->config.display_resolution */
if (!renderer)
return;
uint16_t clock_div;
switch (renderer->curr_width_mode)
{
case WIDTH_MODE_256:
clock_div = 10;
break;
case WIDTH_MODE_320:
clock_div = 8;
break;
case WIDTH_MODE_512:
clock_div = 5;
break;
case WIDTH_MODE_640:
clock_div = 4;
break;
case WIDTH_MODE_368:
clock_div = 7;
break;
default: // Should not be here, if we ever get here then log and crash?
break;
}
// First we get the horizontal range in number of pixel clock period
uint16_t fb_width = (renderer->config.display_area_hrange[1] - renderer->config.display_area_hrange[0]);
// Then we apply the divider
fb_width /= clock_div;
// Then the rounding formula straight outta No$
fb_width = (fb_width + 2) & ~3;
uint16_t fb_height = (renderer->config.display_area_vrange[1] - renderer->config.display_area_vrange[0]);
fb_height *= renderer->config.is_480i ? 2 : 1;
renderer->config.display_resolution[0] = fb_width;
renderer->config.display_resolution[1] = fb_height;
}
void rsx_gl_finalize_frame(const void *fb, unsigned width,
unsigned height, unsigned pitch)
{
@ -2398,6 +2449,10 @@ void rsx_gl_finalize_frame(const void *fb, unsigned width,
if (!DRAWBUFFER_IS_EMPTY(renderer->command_buffer))
GlRenderer_draw(renderer);
/* Calculate native PSX framebuffer dimensions to update renderer
state before calling bind_libretro_framebuffer */
compute_vram_framebuffer_dimensions(renderer);
/* We can now render to the frontend's buffer */
bind_libretro_framebuffer(renderer);
@ -2583,6 +2638,19 @@ void rsx_gl_set_draw_area(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1)
apply_scissor(renderer);
}
void rsx_gl_set_vram_framebuffer_coords(uint32_t xstart, uint32_t ystart)
{
if (static_renderer.state == GlState_Invalid)
return;
GlRenderer *renderer = static_renderer.state_data;
if (!renderer)
return;
renderer->config.display_top_left[0] = xstart;
renderer->config.display_top_left[1] = ystart;
}
void rsx_gl_set_horizontal_display_range(uint16_t x1, uint16_t x2)
{
if (static_renderer.state == GlState_Invalid)
@ -2623,11 +2691,12 @@ void rsx_gl_set_display_mode(uint16_t x, uint16_t y,
if (!renderer)
return;
renderer->config.display_top_left[0] = x;
renderer->config.display_top_left[1] = y;
// Deprecated parameters
(void) x;
(void) y;
(void) w;
(void) h;
renderer->config.display_resolution[0] = w;
renderer->config.display_resolution[1] = h;
renderer->config.display_24bpp = depth_24bpp;
renderer->config.is_pal = is_pal;

2
rsx/rsx_lib_gl.h
View File

@ -26,6 +26,8 @@ void rsx_gl_set_draw_offset(int16_t x, int16_t y);
void rsx_gl_set_draw_area(uint16_t x0, uint16_t y0,
uint16_t x1, uint16_t y1);
void rsx_gl_set_vram_framebuffer_coords(uint32_t xstart, uint32_t ystart);
void rsx_gl_set_horizontal_display_range(uint16_t x1, uint16_t x2);
void rsx_gl_set_vertical_display_range(uint16_t y1, uint16_t y2);